2, has been to the developer, they also often have problems in development,
3, how to understand that they say,
CodePudding user response:
2, has been to the developer, they also often have problems in development,Developers in actual work, there will be some not convenient place, need to carry on some simple adjustment of the existing structure, this also is a normal phenomenon,
But easy to write the code, add (modified) field, is very make people angry,
CodePudding user response:
"Explain"! The document?Do you think superman, developers are brain heard told remember,
First of all, in the form of a chart table object relationships, parent-child relationships, foreign key limit, etc.;
Will circle the atom data - this a few atoms that make up the a data, must use the transaction change together,
For every business operation: for a data flow diagram, where write access, from how to operation, where results; The most important thing is to, for example, the existing data, the input data, the final result,
To state data table, must have the state diagram,
If there is a complex business rules, and specialized business, for a variety of situations, for example, for example, for example,
.
CodePudding user response:
Development is sometimes bitter B, why there are 72 change the requirements document, and demand is a clap forehead just to,